Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
12/1988
12/22/1988DE3718856A1 Water treatment plant for water contaminated with environmentally harmful organic substances, such as chlorinated hydrocarbons
12/21/1988EP0295911A2 Article for absorbing oils
12/21/1988EP0295809A2 Liquid chromatography dual zone packing materials and method for making and using same
12/21/1988EP0295808A2 Liquid chromatography packing materials and method for making and using same
12/21/1988EP0295438A2 Improved superabsorbent composition and process
12/21/1988EP0295418A2 Process for the removal of chlorophyll and color bodies from glyceride oils using acid-treated silica adsorbents
12/21/1988EP0295269A1 Layered metal oxides containing interlayer oxides and their synthesis.
12/21/1988CN88103282A Method for extractting and purifying gallium from bayer-liquid
12/21/1988CN88103086A Production of activated clay from secondary wastewater of titanium white production
12/20/1988US4792539 Process for producing clay derivatives having a porous structure and novel clay derivatives obtained by the process
12/20/1988US4792439 Process for decreasing the content of nitrogen oxides in flue gases
12/20/1988US4792400 Irradiation crosslinking
12/20/1988US4792399 Triangular casing with filling
12/20/1988CA1247073A1 Metal oxide stabilized chromatography packings
12/20/1988CA1247015A1 Water-separating agent
12/15/1988WO1988009770A1 Self-contained filter unit
12/14/1988EP0295073A2 Chromatographic material
12/14/1988EP0294753A2 Organic substituted silicates and process for their preparation
12/14/1988EP0294708A2 Process for the fabrication of a filtermaterial
12/14/1988EP0294528A2 Proton ionizable macrocyclic compounds and selective competitive separation of desirable metal ions from mixtures thereof with other ions
12/14/1988EP0294410A1 Process for enriching and/or isolating cardiac glycosides using non-polar adsorber resins.
12/13/1988US4791082 Method of making zeolite castings
12/13/1988US4791063 Removal of contaminants from biological fluids
12/13/1988US4790859 Method of separating gaseous mixture
12/13/1988US4790306 Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making
12/13/1988CA1246530A1 Manganese-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/13/1988CA1246529A1 Magnesium-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/13/1988CA1246526A1 Method for the neutralization of a-zeolite obtained in synthesis plants
12/13/1988CA1246523A1 Iron-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/08/1988DE3717848A1 Inorganic material and process for the production thereof
12/07/1988EP0294186A2 Activated medium
12/07/1988EP0294059A2 Activated and conjugated polyaryl substrates
12/07/1988EP0293939A2 Crystalline aluminophosphate composition
12/07/1988EP0293938A1 Crystalline aluminophosphate composition
12/07/1988EP0293919A2 Solution synthesis of aluminophosphate crystalline compositions
12/07/1988EP0293855A2 Granulates containing alkaline-earth carbonates
12/07/1988EP0293717A2 Zeolite A-granulat for oxygen enrichment
12/06/1988US4789737 Oligonucleotide derivatives and production thereof
12/06/1988US4789479 Packing for chromatography
12/01/1988WO1988009203A2 Process for manufacturing reactive calcium hydroxide for purifying gases and exhaust gases and process for purifying gases and exhaust gases
12/01/1988WO1988009201A1 Process and device for separating and cleaning molecules
12/01/1988DE3717211A1 Vorrichtung und verfahren zur trennung und reinigung von molekuelen Apparatus and method for separation and purification of molecules
12/01/1988DE3717209A1 Medium for the selective adsorption of biopolymers
11/1988
11/30/1988EP0293298A1 Processes for the preparation and regeneration of a copper-containing solid mercury adsorption mass
11/30/1988CN88102937A Adsorptive material and process for removal of chlorophyll, color, bodies and phospholipids from glycerides oils
11/30/1988CN88100882A Direct absorption purifying method of non-metal compound
11/29/1988US4788278 Polyvinylene carbonate and polyhydroxymethylene, processes for their preparation and their use
11/29/1988US4788237 Sugar-containing water-absorbing composition which facilitates fiber formation
11/29/1988US4788176 Adsorbent comprising metal oxide/hydroxide particles reacted with one or more phosphorous-containing materials having selected organic radicals attached thereto
11/29/1988US4788152 Apparatus for determining coagulation parameter
11/23/1988EP0292083A2 Method of producing reactive calcium hydroxides for gas and exhaust gas purification, and method of purifying gases and exhaust gases
11/23/1988EP0291988A2 Purification of IL-2 by recepter-affinity chromatography
11/23/1988EP0265495A4 Bonded phase chromatographic supports.
11/22/1988US4786628 Organic phosphonate bound to surface; ph stable; efficient separation
11/22/1988US4786485 Desulfurization of exhaust gases
11/22/1988US4786484 Air pollution control
11/22/1988US4786481 Method for eluting a metal adsorbed on a chelating agent
11/22/1988US4786418 Process for aqueous stream purification
11/22/1988US4786416 Cellulose triacetate
11/22/1988US4786415 Separation agent comprising aliphatic ester of polysaccharide
11/22/1988CA1245208A1 Dual surface materials
11/17/1988WO1988008963A1 Lightweight lead adsorption granule (perlead)
11/17/1988WO1988008748A1 Process for producing impregnated activated charcoal for eliminating mercury from gases
11/17/1988EP0291422A2 Polymer composition filled with a particulated mineral material with a high capacity for absorbing water
11/17/1988EP0290984A2 Process for agglomerating solid particles to form granules
11/17/1988EP0290781A2 Method for modifying a contained gaseous mixture
11/17/1988DE3715526A1 Verfahren zur entfernung von quecksilber aus gasen A process for removal of mercury from gases
11/17/1988DE3714276A1 Hydrophilic, crosslinked polymers, process for their preparation, and their use
11/15/1988US4785021 Optical resolution
11/15/1988US4784982 Magnesium zinc, aluminum silicate
11/15/1988US4784837 Absorbent for treating gases containing the materials used for semiconductor products and process of treating such gases with the same
11/15/1988CA1244817A1 Filter for removing cancer causing compounds from exhaust fumes
11/10/1988DE3714444A1 Method and preparation for combating damage to plants, in particular damage to forests, caused by undue natural and/or anthropogenic acidification of the environment
11/10/1988DE3713600A1 Dry gas purification based on sodium with an alkaline support material
11/09/1988EP0290406A1 Low affinity adsorbent for affinity chromatography
11/09/1988EP0289767A2 Granulated absorbent
11/09/1988EP0289631A1 Filler for separating optical isomer
11/08/1988US4783433 Carbon monoxide
11/08/1988CA1244225A1 Synthesis of silicophosphoaluminate
11/08/1988CA1244224A1 Silicophosphoaluminates and related crystalline oxides
11/08/1988CA1244223A1 Crystalline silicophosphoaluminate
11/08/1988CA1244222A1 Crystalline silicophosphoaluminate
11/08/1988CA1244221A1 Crystalline silicophosphoaluminate
11/08/1988CA1244220A1 Crystalline silicophosphoaluminate
11/08/1988CA1244219A1 Crystalline silicophosphoaluminate
11/08/1988CA1244218A1 Crystalline silicophosphoaluminate
11/03/1988WO1988008440A1 Gel composition
11/03/1988DE3713346A1 Process and apparatus for purifying industrial air exhaust air
11/03/1988DE3712875A1 Filter medium for an industrial filter
11/02/1988EP0289448A2 Method for removing arsenic compound from combustion gas
11/02/1988EP0289029A2 Process for the preparation of monodisperse polymer particles
11/01/1988US4782040 Reactive silane bonding to exteriors and interiors
11/01/1988US4781977 Water-insoluble resin-spacer-ligand
11/01/1988US4781904 Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same
11/01/1988US4781900 Process and composition for purifying arsine, phosphine, ammonia, and inert gases to remove Lewis acid and oxidant impurities therefrom
11/01/1988US4781841 Heavy metal adsorbing agent and method of using same
11/01/1988US4781838 Solid polyvinyl alcohol-based support able to adsorb lipoproteins and its use for the separation of low density lipoproteins present in a liquid, such as blood plasma
11/01/1988US4781818 Petroleum feedstock, decarbonization, demetallization, microspheres, roasting, kaolin, kyanite
11/01/1988US4781493 High temperature oil containment boom
10/1988
10/26/1988EP0288310A2 Substrate and process for making a substrate